CN108649815A - Using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side - Google Patents

Using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side Download PDF

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Publication number
CN108649815A
CN108649815A CN201810410354.1A CN201810410354A CN108649815A CN 108649815 A CN108649815 A CN 108649815A CN 201810410354 A CN201810410354 A CN 201810410354A CN 108649815 A CN108649815 A CN 108649815A
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phase
bridge
tap changer
group
secondary side
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孟凡刚
徐晓娜
高蕾
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Harbin Institute of Technology Weihai
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Harbin Institute of Technology Weihai
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • H02M7/068—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode mounted on a transformer
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/14—Arrangements for reducing ripples from dc input or output
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0048—Circuits or arrangements for reducing losses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

The present invention provides a kind of 36 Pulses Rectifiers using the double passive harmonic suppressing methods of DC side, belong to power electronics field.36 Pulses Rectifiers of the invention are transformed by 12 Pulses Rectifiers based on star connection auto-transformer, in such a way that tap-change and the single-phase rectification bridge transformation of secondary side are combined, make load voltage be 36 pulse waves, rectifier input current is 36 staircase waveforms.The single-phase rectification bridge that the primary side tap diode and vice-side winding of tap changer with secondary side are connected each load voltage cycle memory four kinds of operation modes, by analyzing these four mode, the relational expression between rectifier input current and three-phase commutation bridge output current, the tap changer turn ratio can be calculated, and then obtain the relationship between the total harmonic distortion factor of rectifier input current and the tap changer turn ratio, when total harmonic distortion factor minimum, load voltage is 36 pulse waves, and rectifier input current becomes 36 staircase waveforms.

Description

Using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side
Technical field
The present invention relates to 36 Pulses Rectifiers using the double passive harmonic suppressing methods of DC side, belong to power electronic technique Field.
Background technology
With the rapid development of the development of power electronic technique, especially power semiconductor and control technology, electricity Power electronic device is increasingly being applied to industry spot, plays an important role in energy saving, raising production efficiency etc., As the important guarantee of realization production automation.Rectifier is the power electronic equipment being most widely used, rectifying device it is strong It is non-linear to become one of main harmonic source.Therefore, how effectively to inhibit harmonic wave, the reduction system of rectifying device generation total Percent harmonic distortion becomes an important subject of applied power electronics technology.
In numerous harmonic suppressing methods, multi-pulse rectification technology is one of the most commonly used and effective method.More pulse waves Rectification circuit refers to, by the progress multiple connection of phase shift of two or more three-phase bridge rectifier circuits, making DC side output voltage arteries and veins Wave number is more than 6 rectification circuits, which can inhibit Harmonics of Input while reducing output voltage ripple.
In multi phase rectifier, with increasing for pulse number, load voltage ripple factor is smaller and smaller, and input current is humorous Wave content is smaller and smaller.Therefore, as much as possible to increase the main design goal that load voltage pulse number is multi phase rectifier One of.
Invention content
The purpose of the invention is to increase the pulse number of multi phase rectifier, load voltage ripple factor is reduced, is reduced The problem of harmonic content in input current, and then 36 pulse wave rectifiers using the double passive harmonic suppressing methods of DC side are provided Device.
The purpose of the present invention is what is be achieved through the following technical solutions：
It is described using the double passive harmonic suppressions of DC side using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side 36 Pulses Rectifiers of method processed include that star connection auto-transformer, first group of three-phase commutation bridge, second group of three-phase are whole Flow bridge, zero-sequence current suppressor, the tap changer with secondary side, single-phase rectification bridge and load, star connection auto-transformer Primary side winding use star connection, the input terminal of star connection auto-transformer and three-phase alternating voltage ua、ub、ucIt is connected, star Two groups of vice-side windings of shape connection auto-transformer export two groups, and there are the three-phase voltages of the phase differences of π/6；First group of three phase rectifier The input terminal of the bridge and second group of three-phase commutation bridge output end phase with two groups of vice-side windings of star connection auto-transformer respectively Even, first group of three-phase commutation bridge and second group of three-phase commutation bridge independence parallel operation；Four input terminals of zero-sequence current suppressor M1, m2 and m3, m4 be separately connected first group of three-phase commutation bridge two DC output ends and two of second group of three-phase commutation bridge DC output end, the output end n2 and n4 of zero-sequence current suppressor are connected to the negative terminal of load；The original of tap changer with secondary side The side ends winding R are connected with the output end n1 of zero-sequence current suppressor, the ends primary side winding S of the tap changer with secondary side and zero sequence The output end n3 of current suppressor is connected, two diode D of the tap changer with secondary sidepAnd DqCommon cathode connects, the cathode It is connected to the anode of load；The vice-side winding output end of the tap changer on the input terminal connect band pair side of single-phase rectification bridge, it is single-phase The output of rectifier bridge terminates at the both ends of load.
For the present invention using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side, it refers to pair that described pair passive The common cathode diode D that the tap changer on side is connectedpAnd DqAnd diode VD1, VD2 in single-phase rectification bridge, VD3, VD4 is passive device.
The present invention uses 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side, described double passive using DC side In 36 Pulses Rectifiers of harmonic suppressing method, in primary side winding the tapping point P or Q to winding of the tap changer with secondary side The ratio between the number of turns and primary side winding total number of turns between point A amEqual to 0.16, the number of turns N of vice-side windingsWith the number of turns N of primary side windingp The ratio between m be equal to 10.74.
The present invention is using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side, the star connection self coupling transformation Device is that can export two groups there are the phase-shifting transformers of the three-phase voltage of the phase differences of π/6.
The present invention is inhibited using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side using double passive harmonics Method, all harmonics restraint devices are all passive devices, are not necessarily to control circuit, and design method is simple, it is easy to accomplish；Based on star It is constructed on the basis of 12 Pulses Rectifiers of shape connection auto-transformer, compared to 36 pulse waves constructed based on 18 Pulses Rectifiers For rectifier, device used is few, and the magnetic device in circuit is (such as：Transformer, zero-sequence current suppressor, tap changer) Simple in structure, capacity is relatively low, is easy to make and at low cost；The double passive harmonic suppressing methods of DC side proposed by the invention are removable Plant property is strong, can be applied in other 12 Pulses Rectifiers；It is proposed by the invention based on the double passive harmonic suppressing methods of DC side 36 Pulses Rectifiers, by increase load voltage pulse number, make load voltage ripple factor reduce, rectifier input current Step number increases, and more they tends to sine wave.
Description of the drawings
Fig. 1 is circuit structure signal of the present invention using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side Figure.
Fig. 2 is the winding construction figure of the tap changer with secondary side in the present invention.
Fig. 3 is the schematic diagram of the operation mode I of double passive harmonic suppressing methods.
Fig. 4 is the schematic diagram of the operation mode II of double passive harmonic suppressing methods.
Fig. 5 is the schematic diagram of the operation mode III of double passive harmonic suppressing methods.
Fig. 6 is the schematic diagram of the operation mode IV of double passive harmonic suppressing methods.
I in Fig. 1 to Fig. 6a、ib、icFor three-phase input current, ia1、ib1、ic1And ia2、ib2、ic2Become for star connection self coupling The output current of two groups of vice-side windings of depressor namely the input current of first group of three-phase commutation bridge and second group of three-phase commutation bridge, id1、id2For the input current of the tap changer primary side winding with secondary side, isFor the output current of single-phase rectification bridge, imIt is secondary for band The circulation that the two tap diode operation of tap changer on side generates, idFor load current, ua、ub、ucFor three-phase mains voltage, ud1、ud2The output voltage of respectively first group three-phase commutation bridge and second group of three-phase commutation bridge, up、usPumping respectively with secondary side The terminal voltage of head converter primary side winding and vice-side winding, udFor load voltage, Np、NsRespectively carry the tap-change on secondary side The number of turns of device primary and secondary side winding, amFor the umber of turn between the tap changer primary side P or Q to midpoint A with secondary side With primary side winding total number of turns NpRatio, m be vice-side winding and primary side winding the turn ratio, Dp、DqTap respectively with secondary side becomes Two diodes of parallel operation, VD1, VD2, VD3, VD4 are respectively four diodes of single-phase rectification bridge.
Reference numeral in figure, 1 is star connection auto-transformer；2 be first group of three-phase commutation bridge；3 be second group three Commutating phase bridge；4 be zero-sequence current suppressor；5 be the tap changer with secondary side；6 be single-phase rectification bridge；7 be load.
Specific implementation mode
Below in conjunction with attached drawing, the present invention is described in further detail：The present embodiment is being with technical solution of the present invention Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment one：As shown in Figure 1, a kind of involved by the present embodiment is using the double passive harmonic suppressing methods of DC side 36 Pulses Rectifiers, including star connection auto-transformer, first group of three-phase commutation bridge, second group of three-phase commutation bridge, zero sequence electricity Stream suppressor, the tap changer with secondary side, single-phase rectification bridge and load, the primary side winding of star connection auto-transformer are adopted With star connection, input terminal and the three-phase alternating voltage u of star connection auto-transformera、ub、ucIt is connected, star connection self coupling becomes Two groups of vice-side windings of depressor export two groups, and there are the three-phase voltages of the phase differences of π/6；First group of three-phase commutation bridge and second group three The input terminal of commutating phase bridge is connected with the output end of two groups of vice-side windings of star connection auto-transformer respectively, first group of three-phase Rectifier bridge and second group of three-phase commutation bridge independence parallel operation；Four input terminals m1, m2 and m3, the m4 of zero-sequence current suppressor divide Two DC output ends of first group of three-phase commutation bridge and two DC output ends of second group of three-phase commutation bridge, zero sequence are not connected The output end n2 and n4 of current suppressor are connected to the negative terminal of load；The ends primary side winding R of tap changer with secondary side and zero sequence The output end n1 of current suppressor is connected, and the ends primary side winding S of the tap changer on band pair side are defeated with zero-sequence current suppressor Outlet n3 is connected, two diode D of the tap changer with secondary sidepAnd DqCommon cathode connects, which is being connected to load just End；The vice-side winding output end of the tap changer on the input terminal connect band pair side of single-phase rectification bridge, the output of single-phase rectification bridge Terminate at the both ends of load.
Zero-sequence current suppressor plays the role of inhibiting zero-sequence current；It is whole that tap changer with secondary side absorbs two groups of three-phases The output voltage for flowing bridge is instantaneously poor, ensures that two groups of rectifier bridges can work independently, while generating circulation, offsets multi-pulse rectification system The higher hamonic wave of system.
Embodiment two：As shown in Figure 1,36 arteries and veins using the double passive harmonic suppressing methods of DC side involved by the present embodiment Wave rectifier, it refers to the common cathode diode D for carrying the tap changer on secondary side and being connected that described pair passivepAnd DqAnd it is single-phase Diode VD1, VD2, VD3, VD4 in rectifier bridge are passive device.
Embodiment three：As depicted in figs. 1 and 2, the double passive harmonic suppressing methods of DC side are used involved by the present embodiment 36 Pulses Rectifiers, in 36 Pulses Rectifiers using the double passive harmonic suppressing methods of DC side, the pumping with secondary side The primary side winding tapping point P or Q of head converter is to the number of turns and the ratio between primary side winding total number of turns a between class mid point AmIt is equal to 0.16, the number of turns N of vice-side windingsWith the number of turns N of primary side windingpThe ratio between m be equal to 10.74.
When the tap changer with secondary side primary side winding tapping point P or Q between class mid point A the number of turns and primary side around The ratio between group total number of turns is 10.74 for the 0.16, vice-side winding of tap changer with secondary side and the ratio between the number of turns of primary side winding When, for load voltage containing 36 wide wave heads in each power cycle, rectifier input current is wide 36 staircase waveform.
Example IV：As depicted in figs. 1 and 2, the double passive harmonic suppressing methods of DC side are used involved by the present embodiment 36 Pulses Rectifiers, within a load voltage period, with it is secondary while tap changer diode and it is secondary while the list that connects Commutating phase bridge has altogether 4 kinds of operation modes, as follows：
Operation mode I：It is illustrated in conjunction with Fig. 3, as ω t ∈ [0, π/18] and [π/9, π/6] ω t ∈, two groups of three-phases The output voltage u of rectifier bridged1<ud2, tap diode DqConducting, the circulation i of generationm=amId, the tap change on secondary side is carried at this time The vice-side winding terminal voltage u of parallel operationsLess than load voltage ud, four diodes of single-phase rectification bridge are all not turned on, i.e., secondary side rectification Circuit does not work, output current isEqual to 0, the input current i of the tap changer on secondary side is at this moment carriedd1、id2Meet：
Operation mode II：It is illustrated in conjunction with Fig. 4, when ω t ∈ [π/18, π/9], the output electricity of two groups of three-phase commutation bridges Press ud1<ud2, tap diode DqConducting carries the vice-side winding terminal voltage-u of the tap changer on secondary side at this timesMore than load Voltage ud, single-phase rectification bridge diode VD2 and VD3 conducting, VD1 and VD4 be not turned on, the electric current of at this moment secondary side rectification circuit output isMeet：
Due to load voltage udMore than the output voltage u of first group of rectifier bridged1, id1Equal to 0, circulation i at this timem=-mis, That is im+mis=0, at this moment carry the input current i of the tap changer on secondary sided1、id2Meet：
Operation mode III：It is illustrated in conjunction with Fig. 5, as ω t ∈ [π/6,2 π/9] or [5 π/18, π/3] ω t ∈, two The output voltage u of group three-phase commutation bridged1>ud2, tap diode DpConducting, the circulation i of generationm=amId, secondary side is carried at this time The vice-side winding terminal voltage u of tap changersLess than load voltage ud, four diodes of single-phase rectification bridge are all not turned on, i.e., secondary Side rectification circuit does not work, output current isEqual to 0, the input current i of the tap changer on secondary side is at this moment carriedd1、id2Meet：
Operation mode IV：It is illustrated in conjunction with Fig. 6, when ω t ∈ [2 π/9,5 π/18], the output of two groups of three-phase commutation bridges Voltage ud1>ud2, tap diode DpConducting carries the vice-side winding terminal voltage u of the tap changer on secondary side at this timesMore than load Voltage ud, single-phase rectification bridge diode VD1 and VD4 conducting, VD2 and VD3 be not turned on, the electric current of at this moment secondary side rectification circuit output For isMeet：
Due to load voltage udMore than the output voltage u of second group of rectifier bridged2, id2Equal to 0, circulation i at this timem=-mis, That is im+mis=0, at this moment carry the input current i of the tap changer 5 on secondary sided1、id2Meet：
Embodiment five：As shown in figures 1 to 6, a kind of using the double passive harmonic suppressing methods of DC side involved by the present embodiment 36 Pulses Rectifiers, the DC side is using 36 Pulses Rectifiers of double passive harmonic suppressing methods, the pumping with secondary side Head converter design method be：
Assuming that the primary side winding tapping point P or Q of the tap changer with secondary side is to the number of turns and primary side between class mid point A The ratio between winding total number of turns is am, the ratio between the vice-side winding of the tap changer with secondary side and the number of turns of primary side winding are m；For 12 For Pulses Rectifier, the load voltage period is π/3, within a load voltage period, two of the tap changer with secondary side Pole pipe DpAnd DqAnd the single-phase rectification bridge of secondary side connection shares 4 kinds of operation modes, is divided into 6 sections：
1. when [0, π/18] ∈ ω t, DqConducting, single-phase rectification bridge do not work,
2. when ω t ∈ [π/18, π/9], DqDiode VD2 and VD3 conductings in conducting, single-phase rectification bridge,
3. when ω t ∈ [π/9, π/6], DqConducting, single-phase rectification bridge do not work,
4. when ω t ∈ [π/6,2 π/9], DpConducting, single-phase rectification bridge do not work,
5. when ω t ∈ [2 π/9,5 π/18], DpDiode VD1 and VD4 conductings in conducting, single-phase rectification bridge,
6. when ω t ∈ [5 π/18, π/3], DpConducting, single-phase rectification bridge do not work；
The input current i of tap changer is calculated in above-mentioned six sectionsd1And id2, then according to three-phase commutation bridge Rectification principle, ampere-turn equilibrium principle and Kirchhoff's current law (KCL) calculate rectifier input current ia、ib、icWith am, m and id1 And id2Relational expression, rectifier input current i is calculated according to the expression formulaa、ib、icTotal harmonic distortion factor, can obtain Total harmonic distortion factor takes a when minimummWith the value of m, a is solvedmWhen being equal to 10.74 equal to 0.16, m, total harmonic distortion factor is minimum 5.09%, load voltage is 36 pulse waves, rectifier input current i at this timea、ib、icFor 36 staircase waveforms, sine wave is more leveled off to, it is defeated Enter current harmonics to be effectively suppressed.
Embodiment six：As shown in Figure 1, a kind of involved by the present embodiment is using the double passive harmonic suppressing methods of DC side 36 Pulses Rectifiers, the star connection auto-transformer are that can export two groups there are the shiftings of the three-phase voltage of the phase differences of π/6 Phase transformer.
The double passive harmonic suppressing methods of DC side have stronger portability, the star connection auto-transformer in Fig. 1 Other kinds of phase-shifting transformer is could alternatively be, there are the three of the phase differences of π/6 as long as the phase-shifting transformer can export two groups Phase voltage.
36 Pulses Rectifier is transformed by 12 Pulses Rectifiers based on star connection auto-transformer, using tap Transformation and secondary side single-phase rectification bridge convert the mode being combined, and make load voltage be 36 pulse waves, rectifier input current is 36 ranks Terraced wave.The single-phase rectification bridge that the primary side tap diode and vice-side winding of tap changer with secondary side are connected is in each load Existing four kinds of operation modes can calculate rectifier input current and three-phase by analyzing these four mode in voltage cycle Relational expression between rectifier bridge output current, the tap changer turn ratio, and then obtain total harmonic distortion of rectifier input current Relationship between rate and the tap changer turn ratio thereby determines that tap changer turn ratio when total harmonic distortion factor minimum.It is total humorous When wave aberration rate minimum, load voltage is 36 pulse waves, and rectifier input current becomes 36 staircase waveforms.
The foregoing is only a preferred embodiment of the present invention, these specific implementation modes are all based on the present invention Different realization methods under general idea, and scope of protection of the present invention is not limited thereto, it is any to be familiar with the art Technical staff in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, should all cover the present invention Within protection domain.Therefore, the scope of protection of the invention shall be subject to the scope of protection specified in the patent claim.

Claims (4)

1. using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side, which is characterized in that described double using DC side 36 Pulses Rectifiers of passive harmonic suppressing method include star connection auto-transformer (1), first group of three-phase commutation bridge (2), Second group of three-phase commutation bridge (3), zero-sequence current suppressor (4), the tap changer (5) with secondary side, single-phase rectification bridge (6) and Load (7), the primary side winding of star connection auto-transformer (1) uses star connection, star connection auto-transformer (1) it is defeated Enter end and three-phase alternating voltage ua、ub、ucIt is connected, two groups of vice-side windings of star connection auto-transformer (1) export two groups of presence The three-phase voltage of the phase differences of π/6；The input terminal of first group of three-phase commutation bridge (2) and second group of three-phase commutation bridge (3) respectively with star The output end that shape is coupled two groups of vice-side windings of auto-transformer (1) is connected, first group of three-phase commutation bridge (2) and second group of three-phase Rectifier bridge (3) independent parallel operation；Four input terminals m1, m2 and m3, the m4 of zero-sequence current suppressor (4) are separately connected first group Two DC output ends of two DC output ends of three-phase commutation bridge (2) and second group of three-phase commutation bridge (3), zero-sequence current suppression The output end n2 and n4 of device (4) processed are connected to the negative terminal of load (7)；The ends primary side winding R and zero of tap changer (5) with secondary side The output end n1 of sequence current suppressor (4) is connected, and the ends primary side winding S and the zero-sequence current of the tap changer (5) with secondary side press down The output end n3 of device (4) processed is connected, two diode D of the tap changer (5) with secondary sidepAnd DqCommon cathode connects, the cathode It is connected to the anode of load (7)；The vice-side winding of the tap changer (5) on the input terminal connect band pair side of single-phase rectification bridge (6) is defeated The output of outlet, single-phase rectification bridge (6) terminates at the both ends of load (7).
2. 36 Pulses Rectifiers according to claim 1 using the double passive harmonic suppressing methods of DC side, feature exists In it refers to the common cathode diode D for carrying the tap changer (5) on secondary side and being connected that described pair passivepAnd DqAnd single-phase rectifier Diode VD1, VD2, VD3, VD4 in bridge (6) are passive device.
3. 36 Pulses Rectifiers according to claim 1 using the double passive harmonic suppressing methods of DC side, feature exists In, in 36 Pulses Rectifiers using the double passive harmonic suppressing methods of DC side, the tap changer (5) with secondary side Primary side winding tapping point P or Q is to the number of turns and the ratio between primary side winding total number of turns a between class mid point AmEqual to 0.16, secondary side around The number of turns N of groupsWith the number of turns N of primary side windingpThe ratio between m be equal to 10.74.
4. 36 Pulses Rectifiers according to claim 1 using the double passive harmonic suppressing methods of DC side, feature exists It is that can export two groups there are the phase shift transformations of the three-phase voltage of the phase differences of π/6 in, the star connection auto-transformer (1) Device.
CN201810410354.1A 2018-05-02 2018-05-02 Using 36 Pulses Rectifiers of the double passive harmonic suppressing methods of DC side Pending CN108649815A (en)

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CN110492752A (en) * 2019-08-19 2019-11-22 哈尔滨工业大学（威海） 12 Pulses Rectifiers based on the double anti-Star Type Transformers of zigzag connection
CN110518785A (en) * 2019-08-19 2019-11-29 哈尔滨工业大学（威海） A kind of heavy-duty rectifier using DC side mixing Harmonic Injection Method
CN114123815A (en) * 2021-10-11 2022-03-01 中电莱斯信息系统有限公司 Method for regulating DC output voltage of UPS (uninterrupted Power supply) rectifier of data center

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CN110138244A (en) * 2019-05-15 2019-08-16 南京航空航天大学 48 arteries and veins vertoroes of DC side passive harmonic suppression technology
CN110138244B (en) * 2019-05-15 2020-11-27 南京航空航天大学 48-pulse voltage transformation rectifier adopting direct-current side passive harmonic suppression technology
CN110492752A (en) * 2019-08-19 2019-11-22 哈尔滨工业大学（威海） 12 Pulses Rectifiers based on the double anti-Star Type Transformers of zigzag connection
CN110518785A (en) * 2019-08-19 2019-11-29 哈尔滨工业大学（威海） A kind of heavy-duty rectifier using DC side mixing Harmonic Injection Method
CN114123815A (en) * 2021-10-11 2022-03-01 中电莱斯信息系统有限公司 Method for regulating DC output voltage of UPS (uninterrupted Power supply) rectifier of data center
CN114123815B (en) * 2021-10-11 2024-03-08 中电莱斯信息系统有限公司 DC output voltage regulating method for UPS rectifier of data center

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